LM2575D2T-ADJ ON Semiconductor, LM2575D2T-ADJ Datasheet
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LM2575D2T-ADJ
Specifications of LM2575D2T-ADJ
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LM2575D2T-ADJ Summary of contents
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... Negative Step−Up Converters • Power Supply for Battery Chargers *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2009 June, 2009 − Rev. 11 http://onsemi.com ...
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Typical Application (Fixed Output Voltage Versions) 7 Unregulated DC Input 100 mF Representative Block Diagram and Typical Application Unregulated DC Input + Feedback R2 Fixed Gain Error Amplifier R1 Freq 1.0 ...
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OPERATING RATINGS (Operating Ratings indicate conditions for which the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.) Rating Operating Junction Temperature Range Supply Voltage SYSTEM ...
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DEVICE PARAMETERS ELECTRICAL CHARACTERISTICS for the 12 V version, and for the 15 V version operating junction temperature range that applies [Note 2], unless otherwise noted.) Characteristics ALL OUTPUT VOLTAGE VERSIONS Feedback Bias Current ...
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TYPICAL PERFORMANCE CHARACTERISTICS 0 200 mA Load 0.4 Normalized 25°C J 0.2 0 -0.2 -0.4 -0.6 -50 - JUNCTION TEMPERATURE (°C) J Figure 2. Normalized ...
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T = 25°C J 100 5 INPUT VOLTAGE (V) in Figure 8. Standby Quiescent Current 2 Normalized at 25°C 0 -2.0 -4.0 -6.0 ...
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V in Unregulated C 100 mF/ Input 8 Unregulated Input 100 mF/ any switching regulator, the ...
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PIN FUNCTION DESCRIPTION Pin Symbol 1 V This pin is the positive input supply for the LM2575 step−down switching regulator. In order to minimize in voltage transients and to supply the switching currents needed by the regulator, a suitable input ...
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V on(SW) Power Power Power Switch Switch Switch Power Off Off On Switch On V (FWD min Power Power Diode Diode Switch Switch Figure 16. Buck Converter Idealized Waveforms Time I (AV) Load Time http://onsemi.com 9 ...
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Procedure (Fixed Output Voltage Version) procedure and example is provided. Procedure Given Parameters Regulated Output Voltage (3 out V = Maximum DC Input Voltage in(max Maximum Load Current ...
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Procedure (Fixed Output Voltage Version) (continued) procedure and example is provided. Procedure 5. Output Capacitor Selection (C ) out A. Since the LM2575 is a forward−mode switching regulator with voltage mode control, its open loop 2−pole−2−zero frequency characteristic has the ...
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Procedure (Adjustable Output Version: LM2575−Adj) (continued) Procedure 4. Inductor Selection (L1) A. Use the following formula to calculate the inductor Volt x microsecond [V x ms] constant: V out out in V ...
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H1000 20 L680 15 10 L470 8.0 L330 7.0 L220 6.0 5.0 0.2 0.3 0.4 0 MAXIMUM LOAD CURRENT (A) L Figure 17. LM2575−3.3 60 H2200 40 H1500 30 H1000 L680 16 L470 ...
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Inductor Inductor Code Value L100 100 mH L150 150 mH L220 220 mH L330 330 mH L470 470 mH L680 680 mH H150 150 mH H220 220 mH H330 330 mH H470 470 mH H680 680 mH H1000 1000 mH ...
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... Renco Electronics Inc. AIE Magnetics Coilcraft Inc. Coilcraft Inc., Europe Tech 39 Schott Corp. Table 4. Diode Selection Guide gives an overview about both surface−mount and through−hole diodes for an effective design. Device listed in bold are available from ON Semiconductor. Schottky 1.0 A SMT THT V R ...
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Input Capacitor ( The Input Capacitor Should Have a Low ESR For stable operation of the switch mode converter a low ESR (Equivalent Series Resistance) aluminium or solid tantalum bypass capacitor is needed between the input pin and ...
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RFI (Radio Frequency Interference) and EMI (Electro−Magnetic Interference) problems. Continuous and Discontinuous Mode of Operation The LM2575 step−down converter can operate in both the continuous and the discontinuous modes of operation. The regulator works in the continuous mode ...
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Output Voltage Ripple and Transients Source of the Output Ripple Since the LM2575 is a switch mode power supply regulator, its output voltage, if left unfiltered, will contain a sawtooth ripple voltage at the switching frequency. The output ripple voltage ...
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(quiescent current) and V can be found in the Q sat LM2575 data sheet minimum input voltage applied the regulator output voltage, O ...
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Using a delayed startup arrangement, the input capacitor can charge higher voltage before the switch−mode regulator begins to operate. The high input current needed for startup is now partially supplied by the input capacitor ...
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If the input voltage is greater than −12 V, the output will rise above −12 V accordingly, but will not damage the regulator LM2575−12 in Feedback 1 Output 100 GND ON/OFF /50 ...
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LM2575−5 100 mF 5 ON/OFF 1N5242B Q1 2N3904 NOTE: This picture does not show the complete circuit. Figure 32. Undervoltage Lockout Circuit for ...
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THE LM2575−5.0 STEP−DOWN VOLTAGE REGULATOR WITH 5 1.0 A OUTPUT POWER CAPABILITY. TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT +V in Unregulated DC Input +7 + 100 mF /50 V ...
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THE LM2575−ADJ STEP−DOWN VOLTAGE REGULATOR WITH 8 1.0 A OUTPUT POWER CAPABILITY. TYPICAL APPLICATION WITH THROUGH−HOLE PC BOARD LAYOUT 4 Feedback Unregulated +V DC Input in LM2575−Adj + ...
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... NCV2575D2T−ADJR4G LM2575TV−3.3G LM2575T−3.3G 3.3 V LM2575D2T−3.3G LM2575D2T−3.3R4G LM2575TV−5G LM2575T−5G LM2575D2T−5G 5.0 V LM2575D2T−5R4G NCV2575D2T−5G NCV2575D2T−5R4G LM2575TV−012G LM2575T−012G LM2575D2T−012G 12 V LM2575D2T−12R4G NCV2575D2T−12G NCV2575D2T−12R4G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D ...
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... Nominal Output Voltage Device LM2575TV−015G LM2575T−015G 15 V LM2575D2T−015G LM2575D2T−15R4G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. TO−220 TV SUFFIX CASE 314B LM 2575T−xxx ...
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B −P− OPTIONAL Q CHAMFER 0.24 (0.610 0.10 (0.254 −Q− B1 DETAIL A 0.356 (0.014) M ...
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... Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...